Invention Grant
- Patent Title: Gypsum board suitable for wet or humid areas
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Application No.: US14373826Application Date: 2012-12-26
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Publication No.: US10662648B2Publication Date: 2020-05-26
- Inventor: Emmanuel Faynot , Marc Berlioz , Samuel Merlet , Claude Leclercq
- Applicant: Ahlstrom-Munksjö Oyj
- Applicant Address: FI Helsinki
- Assignee: Ahlstrom-Munksjö Oyj
- Current Assignee: Ahlstrom-Munksjö Oyj
- Current Assignee Address: FI Helsinki
- Agency: Laine IP Oy
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@4e9c8c
- International Application: PCT/EP2012/076905 WO 20121226
- International Announcement: WO2013/113457 WO 20130808
- Main IPC: E04C2/28
- IPC: E04C2/28 ; E04C2/04 ; B32B13/14 ; B32B5/28 ; B32B5/26 ; B32B5/02 ; B32B7/02 ; B32B5/08 ; D21H17/00 ; D21H21/16 ; D21H27/02 ; D21H27/38
Abstract:
Gypsum board having a core, said core having at least one side covered with a non-woven fabric; characterized in that the inner side of the non-woven fabric, which is in contact with the core of the gypsum board, has a surface roughness Ra of from 25 to 60 micrometers, preferably from 25 to 50 micrometers, advantageously from 25 to 40 micrometers.
Public/Granted literature
- US20150010730A1 GYPSUM BOARD SUITABLE FOR WET OR HUMID AREAS Public/Granted day:2015-01-08
Information query
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